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Finding the Fourth Proportional to 29,847.69, 44,748.75 and 19,328.22

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Solution

The fourth proportional to 29,847.69, 44,748.75 and 19,328.22 is: 28,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,847.69 : 44,748.75 = 19,328.22 : x
  2. Step 2: Convert to fraction form
    29,847.69/44,748.75 = 19,328.22/x
  3. Step 3: Cross multiply
    29,847.69x = 44,748.75 × 19,328.22
  4. Step 4: Simplify right side
    29,847.69x = 864,913,757.21
  5. Step 5: Solve for x
    x = 864,913,757.21/29,847.69
  6. Step 6: Final answer
    x = 28,977.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.